Superhard Cutting Tools – Ceramic, PCBN & PCD Inserts for Extreme Machining Performance

Superhard Cutting Tools range includes Ceramic Inserts, Polycrystalline Cubic Boron Nitride (PCBN) Inserts, and Cubic Boron Nitride (CBN) Inserts – designed for the most demanding machining operations. These tools deliver exceptional hardness, extreme wear resistance, and outstanding thermal stability, ensuring long tool life and precision cutting in hardened steels, superalloys, and cast irons.
Whether you’re roughing high-temperature alloys or finishing hardened steels, our superhard inserts provide sharp edges, consistent tolerances, and optimal surface finishes even at high speeds.

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Product Details

  1. Ceramic Inserts

Key Benefits:

  • SiC whisker-reinforced ceramic for unmatched hardness & toughness
  • Extreme wear resistance for high-speed machining
  • Thermal shock resistance for stable performance
  • Available in RNGN, RCGX, CNGA, DNGA, CNGX and more
  • Ideal for superalloys, cast iron, and hardened steels

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  1. PCBN Inserts

Key Benefits:

  • Polycrystalline Cubic Boron Nitride – hardness close to diamond
  • Exceptional thermal conductivity & chemical stability
  • Perfect for hard turning HRC 45–70 steels
  • Excellent surface finish and dimensional accuracy
  • Long life in continuous & interrupted cutting

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  1. PCD Inserts

Key Benefits:

  • Very long toollife for ferrous materials
  • High thermal stability in dry machining
  • Reduced built-up edge and tool wear

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Performance Comparison Table

Feature / Material TypeCeramic InsertsPCBN Inserts
Material CompositionSiC whisker-reinforced ceramicPolycrystalline Cubic Boron Nitride
Hardness★★★★☆ (second only to diamond)★★★★★
Toughness★★★☆☆★★★★☆
Thermal ResistanceHighVery High
Chemical StabilityHighExcellent
Best forSuperalloys, cast iron, hardened steelHardened steel (HRC 45–70), high-speed hard turning
Surface FinishGood–ExcellentExcellent
Cutting SpeedVery HighHigh
Typical ApplicationsTurbine blades, mold steels, brake discsGear finishing, roller bearings, hard turning

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